What powers elkram.cz?
Last seen Sep 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jun 2021
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Cookie compliance
Ecommerce
Cart Functionality
since Feb 2023
JavaScript libraries
Select2
since Sep 2021
Live chat
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Security
reCAPTCHA
since Jun 2020
Web servers
Nginx
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.71 / 10 · ranked #4,896,132 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.6 MB · 108 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on IGNUM-AS Czech Republic (212.57.34.96)
- DNS: dnsbackup.net
- Email: mx-hub.cz
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 6,760,561
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected reCAPTCHA Nov 2025